Ti Mil - wrong again and blade center ?

I've also heard that the cut-out is the primary weakness of the RIL, and that many of the bigger, beefier folders out there tested weaker than the G-10 Military, due to the cut-out.
Titanium is inherently much softer than steel, so much so that if a Titanium RIL only engages the tang 50%, it may simply shear off part of the lockbar before the cut-out gets the chance to buckle (STR reported a few of those). Especially if the lock bar is not heat treated (not that we have to worry about that, but it's not unheard of for that step to be neglected).
 
Titanium also comes in different alloys and we don't know what type is used in the Military.
It can be very tough and fracture resistant. There's no way to say which lock on the Military is stronger without testing both to failure. Everything is purely speculation until that occurs.
 
jill jackson said:
Titanium also comes in different alloys and we don't know what type is used in the Military.
It can be very tough and fracture resistant. There's no way to say which lock on the Military is stronger without testing both to failure. Everything is purely speculation until that occurs.
Click to expand...

Pretty sure Sal can positively answer that question.
 
Ti6Al4V is the most common alloy that is used. It's tensile strength is usually around 130 Kai, which is going to be pretty comparable to hardened steel, which is what most high quality liner locks use. So all other things being equal, a steel knife and a Ti knife should have comparable strengths.

The fact that the cutout in the framelock is so much shorter than the liner on a liner lock should mean that the allowable compressive stress should be quite a bit higher. This is because the longer piece is more likely buckle at a lower stress than the shorter piece.
That's a structural engineer's take on it anyway.
 
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